Alternating hot and cold bathing has strong physical exercise value. It is the embodiment and application of "cold and hot water effect" in human physiology, and it is a scientific health preserving method.
For alternating hot and cold bathing, we should pay attention to the following issues:
1, from autumn to spring, persevere. The duration of bathing should be determined according to personal health, and it is advisable to feel good and comfortable after bathing.
2, suffering from severe hypertension, coronary heart disease, rheumatism, cavitary tuberculosis, sciatica, menstrual women, pregnant women and patients with high fever should not take a bath alternately.
3. This method is only applicable to people aged 16 ~ 50, not to the elderly and infirm.